Optimization Model of Network-Level Pavement Maintenance Decision considering User Travel Time and Vehicle Fuel Consumption Costs

Table 4

Distributions of different expressway pavement condition combinations in the road network.

Combination	Road number
	1	2	3	4	5	6	7	8	9	10
1	0.85	0.62	1	1	0.92	0.82	0.86	0.78	0.9	0.85
2	0.05	0.06	0	0	0.08	0.11	0.06	0.09	0.1	0.1
3	0	0	0	0	0	0	0	0	0	0
4	0.1	0.11	0	0	0	0.07	0.08	0.11	0	0.05
5	0	0.06	0	0	0	0	0	0	0	0
6	0	0	0	0	0	0	0	0	0	0
7	0	0.05	0	0	0	0	0	0	0	0
8	0	0.06	0	0	0	0	0	0	0	0
9	0	0	0	0	0	0	0	0	0	0
10	0	0.04	0	0	0	0	0	0.02	0	0
11	0	0	0	0	0	0	0	0	0	0